Add an 'android.software.app_compat_overrides' feature

This feature will allow OEMs to opt-in specific devices/builds to per-app compat overrides.

Bug: 188500456
Test: N/A
Change-Id: I66a9c8bcec81b0ded9de415c279cf320edfeba45

data/etc/Android.bp

@@ -14,3 +14,11 @@ prebuilt_etc {
     src: "android.hardware.biometrics.face.xml",
     filename_from_src: true,
 }
+
+prebuilt_etc {
+    name: "android.software.app_compat_overrides.xml",
+    product_specific: true,
+    sub_dir: "permissions",
+    src: "android.software.app_compat_overrides.xml",
+    filename_from_src: true,
+}

data/etc/android.software.app_compat_overrides.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- Feature for devices that are opted-in to receive per-app compatibility
+     overrides. -->
+<permissions>
+  <feature name="android.software.app_compat_overrides" />
+</permissions>